#!/usr/bin/env python import random import socket import unittest import time from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6 from framework import VppTestCase, VppTestRunner from vpp_object import VppObject from vpp_pg_interface import CaptureTimeoutError from util import ppp from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder class VppCFLOW(VppObject): """CFLOW object for IPFIX exporter and Flowprobe feature""" def __init__(self, test, intf='pg2', active=0, passive=0, timeout=300, mtu=512, datapath='l2', layer='l2 l3 l4'): self._test = test self._intf = intf self._active = active if passive == 0 or passive < active: self._passive = active+5 else: self._passive = passive self._datapath = datapath # l2 ip4 ip6 self._collect = layer # l2 l3 l4 self._timeout = timeout self._mtu = mtu self._configured = False def add_vpp_config(self): self.enable_exporter() self._test.vapi.ppcli("flowprobe params record %s active %s " "passive %s" % (self._collect, self._active, self._passive)) self.enable_flowprobe_feature() self._test.vapi.cli("ipfix flush") self._configured = True def remove_vpp_config(self): self.disable_exporter() self.disable_flowprobe_feature() self._test.vapi.cli("ipfix flush") self._configured = False def enable_exporter(self): self._test.vapi.set_ipfix_exporter( collector_address=self._test.pg0.remote_ip4n, src_address=self._test.pg0.local_ip4n, path_mtu=self._mtu, template_interval=self._timeout) def enable_flowprobe_feature(self): self._test.vapi.ppcli("flowprobe feature add-del %s %s" % (self._intf, self._datapath)) def disable_exporter(self): self._test.vapi.cli("set ipfix exporter collector 0.0.0.0") def disable_flowprobe_feature(self): self._test.vapi.cli("flowprobe feature add-del %s %s disable" % (self._intf, self._datapath)) def object_id(self): return "ipfix-collector-%s" % (self._src, self.dst) def query_vpp_config(self): return self._configured def verify_templates(self, decoder=None, timeout=1, count=3): templates = [] p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout) self._test.assertTrue(p.haslayer(IPFIX)) if decoder is not None and p.haslayer(Template): templates.append(p[Template].templateID) decoder.add_template(p.getlayer(Template)) if count > 1: p = self._test.wait_for_cflow_packet(self._test.collector, 2) self._test.assertTrue(p.haslayer(IPFIX)) if decoder is not None and p.haslayer(Template): templates.append(p[Template].templateID) decoder.add_template(p.getlayer(Template)) if count > 2: p = self._test.wait_for_cflow_packet(self._test.collector, 2) self._test.assertTrue(p.haslayer(IPFIX)) if decoder is not None and p.haslayer(Template): templates.append(p[Template].templateID) decoder.add_template(p.getlayer(Template)) return templates class MethodHolder(VppTestCase): """ Flow-per-packet plugin: test L2, IP4, IP6 reporting """ # Test variables debug_print = False max_number_of_packets = 16 pkts = [] @classmethod def setUpClass(cls): """ Perform standard class setup (defined by class method setUpClass in class VppTestCase) before running the test case, set test case related variables and configure VPP. """ super(MethodHolder, cls).setUpClass() try: # Create pg interfaces cls.create_pg_interfaces(range(7)) # Packet sizes cls.pg_if_packet_sizes = [64, 512, 1518, 9018] # Create BD with MAC learning and unknown unicast flooding disabled # and put interfaces to this BD cls.vapi.bridge_domain_add_del(bd_id=1, uu_flood=1, learn=1) cls.vapi.sw_interface_set_l2_bridge(cls.pg1._sw_if_index, bd_id=1) cls.vapi.sw_interface_set_l2_bridge(cls.pg2._sw_if_index, bd_id=1) # Set up all interfaces for i in cls.pg_interfaces: i.admin_up() cls.pg0.config_ip4() cls.pg0.configure_ipv4_neighbors() cls.collector = cls.pg0 cls.pg1.config_ip4() cls.pg1.resolve_arp() cls.pg2.config_ip4() cls.pg2.resolve_arp() cls.pg3.config_ip4() cls.pg3.resolve_arp() cls.pg4.config_ip4() cls.pg4.resolve_arp() cls.pg5.config_ip6() cls.pg5.resolve_ndp() cls.pg5.disable_ipv6_ra() cls.pg6.config_ip6() cls.pg6.resolve_ndp() cls.pg6.disable_ipv6_ra() except Exception: super(MethodHolder, cls).tearDownClass() raise def create_stream(self, src_if=None, dst_if=None, packets=None, size=None, ip_ver='v4'): """Create a packet stream to tickle the plugin :param VppInterface src_if: Source interface for packet stream :param VppInterface src_if: Dst interface for packet stream """ if src_if is None: src_if = self.pg1 if dst_if is None: dst_if = self.pg2 self.pkts = [] if packets is None: packets = random.randint(1, self.max_number_of_packets) pkt_size = size for p in range(0, packets): if size is None: pkt_size = random.choice(self.pg_if_packet_sizes) info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(info) p = Ether(src=src_if.remote_mac, dst=src_if.local_mac) if ip_ver == 'v4': p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) else: p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) p /= (UDP(sport=1234, dport=4321) / Raw(payload)) info.data = p.copy() self.extend_packet(p, pkt_size) self.pkts.append(p) def verify_cflow_data(self, decoder, capture, cflow): octets = 0 packets = 0 for p in capture: octets += p[IP].len packets += 1 if cflow.haslayer(Data): data = decoder.decode_data_set(cflow.getlayer(Set)) for record in data: self.assertEqual(int(record[1].encode('hex'), 16), octets) self.assertEqual(int(record[2].encode('hex'), 16), packets) def verify_cflow_data_detail(self, decoder, capture, cflow, data_set={1: 'octets', 2: 'packets'}, ip_ver='v4'): if self.debug_print: print capture[0].show() if cflow.haslayer(Data): data = decoder.decode_data_set(cflow.getlayer(Set)) if self.debug_print: print data if ip_ver == 'v4': ip_layer = capture[0][IP] else: ip_layer = capture[0][IPv6] if data_set is not None: for record in data: # skip flow if in/out gress interface is 0 if int(record[10].encode('hex'), 16) == 0: continue if int(record[14].encode('hex'), 16) == 0: continue for field in data_set: if field not in record.keys(): continue value = data_set[field] if value == 'octets': value = ip_layer.len if ip_ver == 'v6': value += 40 # ??? is this correct elif value == 'packets': value = 1 elif value == 'src_ip': if ip_ver == 'v4': ip = socket.inet_pton(socket.AF_INET, ip_layer.src) else: ip = socket.inet_pton(socket.AF_INET6, ip_layer.src) value = int(ip.encode('hex'), 16) elif value == 'dst_ip': if ip_ver == 'v4': ip = socket.inet_pton(socket.AF_INET, ip_layer.dst) else: ip = socket.inet_pton(socket.AF_INET6, ip_layer.dst) value = int(ip.encode('hex'), 16) elif value == 'sport': value = int(capture[0][UDP].sport) elif value == 'dport': value = int(capture[0][UDP].dport) self.assertEqual(int(record[field].encode('hex'), 16), value) def verify_cflow_data_notimer(self, decoder, capture, cflows): idx = 0 for cflow in cflows: if cflow.haslayer(Data): data = decoder.decode_data_set(cflow.getlayer(Set)) else: raise Exception("No CFLOW data") for rec in data: p = capture[idx] idx += 1 self.assertEqual(p[IP].len, int(rec[1].encode('hex'), 16)) self.assertEqual(1, int(rec[2].encode('hex'), 16)) self.assertEqual(len(capture), idx) def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1, expected=True): """ wait for CFLOW packet and verify its correctness :param timeout: how long to wait :returns: tuple (packet, time spent waiting for packet) """ self.logger.info("IPFIX: Waiting for CFLOW packet") deadline = time.time() + timeout counter = 0 # self.logger.debug(self.vapi.ppcli("show flow table")) while True: counter += 1 # sanity check self.assert_in_range(counter, 0, 100, "number of packets ignored") time_left = deadline - time.time() try: if time_left < 0 and expected: # self.logger.debug(self.vapi.ppcli("show flow table")) raise CaptureTimeoutError( "Packet did not arrive within timeout") p = collector_intf.wait_for_packet(timeout=time_left) except CaptureTimeoutError: if expected: # self.logger.debug(self.vapi.ppcli("show flow table")) raise CaptureTimeoutError( "Packet did not arrive within timeout") else: return if not expected: raise CaptureTimeoutError("Packet arrived even not expected") self.assertEqual(p[Set].setID, set_id) # self.logger.debug(self.vapi.ppcli("show flow table")) self.logger.debug(ppp("IPFIX: Got packet:", p)) break return p def send_packets(self, src_if=None, dst_if=None): self.sleep(3) if src_if is None: src_if = self.pg1 if dst_if is None: dst_if = self.pg2 self.pg_enable_capture([dst_if]) src_if.add_stream(self.pkts) self.pg_start() return dst_if.get_capture(len(self.pkts)) class TestFFP_Timers(MethodHolder): """Template verification, timer tests""" def test_0001(self): """ receive template data packets""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() # template packet should arrive immediately ipfix.verify_templates(timeout=3) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") def test_0002(self): """ timer=10s, less than template timeout""" self.logger.info("FFP_TEST_START_0002") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=20) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream() capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[1], 39) self.verify_cflow_data(ipfix_decoder, capture, cflow) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0002") def test_0003(self): """ timer=30s, greater than template timeout""" self.logger.info("FFP_TEST_START_0003") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, timeout=20, active=25) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately ipfix.verify_templates(timeout=3) self.create_stream() capture = self.send_packets() # next set of template packet should arrive after 20 seconds # template packet should arrive within 20 s templates = ipfix.verify_templates(ipfix_decoder, timeout=25) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[1], 55) self.verify_cflow_data(ipfix_decoder, capture, cflow) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0003") def test_0004(self): """ sent packet after first cflow packet arrived""" self.logger.info("FFP_TEST_START_0004") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=20) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream() self.send_packets() # make sure the one packet we expect actually showed up self.wait_for_cflow_packet(self.collector, templates[1], 39) self.pg_enable_capture([self.pg2]) capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[1], 30) self.verify_cflow_data(ipfix_decoder, capture, cflow) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0004") class TestFFP_DatapathL2(MethodHolder): """collect information on Ethernet datapath""" def test_0000(self): """ verify template on L2 datapath""" self.logger.info("FFP_TEST_START_0000") self.pg_enable_capture(self.pg_interfaces) ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() # template packet should arrive immediately ipfix.verify_templates(timeout=3, count=3) self.collector.get_capture(3) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0000") def test_0001(self): """ L2 data on L2 datapath""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10, layer='l2') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(packets=1) capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 256: 8}) # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") def test_0002(self): """ L3 data on L2 datapath""" self.logger.info("FFP_TEST_START_0002") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10, layer='l3') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2) self.create_stream(packets=1) capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 4: 17, 8: 'src_ip', 12: 'dst_ip'}) # expected one template and one cflow packet self.collector.get_capture(3) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0002") def test_0003(self): """ L4 data on L2 datapath""" self.logger.info("FFP_TEST_START_0003") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10, layer='l4') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2) self.create_stream(packets=1) capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 7: 'sport', 11: 'dport'}) # expected one template and one cflow packet self.collector.get_capture(3) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0003") class TestFFP_DatapathIP4(MethodHolder): """collect information on IP4 datapath""" def test_0000(self): """ verify templates on IP4 datapath""" self.logger.info("FFP_TEST_START_0000") self.pg_enable_capture(self.pg_interfaces) ipfix = VppCFLOW(test=self, active=10, datapath='ip4') ipfix.add_vpp_config() # template packet should arrive immediately ipfix.verify_templates(timeout=3, count=1) self.collector.get_capture(1) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0000") def test_0001(self): """ L2 data on IP4 datapath""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg4', active=10, layer='l2', datapath='ip4') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1) capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 256: 8}) # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") def test_0002(self): """ L3 data on IP4 datapath""" self.logger.info("FFP_TEST_START_0002") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg4', active=10, layer='l3', datapath='ip4') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1) capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {1: 'octets', 2: 'packets', 8: 'src_ip', 12: 'dst_ip'}) # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0002") def test_0003(self): """ L4 data on IP4 datapath""" self.logger.info("FFP_TEST_START_0003") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg4', active=10, layer='l4', datapath='ip4') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1) capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 7: 'sport', 11: 'dport'}) # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0003") class TestFFP_DatapathIP6(MethodHolder): """collect information on IP6 datapath""" def test_0000(self): """ verify templates on IP6 datapath""" self.logger.info("FFP_TEST_START_0000") self.pg_enable_capture(self.pg_interfaces) ipfix = VppCFLOW(test=self, active=10, datapath='ip6') ipfix.add_vpp_config() # template packet should arrive immediately ipfix.verify_templates(timeout=3, count=1) self.collector.get_capture(1) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0000") def test_0001(self): """ L2 data on IP6 datapath""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg6', active=20, layer='l2', datapath='ip6') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver='IPv6') capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 256: 56710}, ip_ver='v6') # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") def test_0002(self): """ L3 data on IP6 datapath""" self.logger.info("FFP_TEST_START_0002") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg6', active=10, layer='l3', datapath='ip6') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver='IPv6') capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 27: 'src_ip', 28: 'dst_ip'}, ip_ver='v6') # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0002") def test_0003(self): """ L4 data on IP6 datapath""" self.logger.info("FFP_TEST_START_0003") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, intf='pg6', active=10, layer='l4', datapath='ip6') ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1) self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver='IPv6') capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6) # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39) self.verify_cflow_data_detail(ipfix_decoder, capture, cflow, {2: 'packets', 7: 'sport', 11: 'dport'}, ip_ver='v6') # expected two templates and one cflow packet self.collector.get_capture(2) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0003") class TestFFP_NoTimers(MethodHolder): """No timers""" def test_0001(self): """ no timers, one CFLOW packet, 9 Flows inside""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=0) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream(packets=9) capture = self.send_packets() # make sure the one packet we expect actually showed up cflow = self.wait_for_cflow_packet(self.collector, templates[1], 10) self.verify_cflow_data_notimer(ipfix_decoder, capture, [cflow]) self.wait_for_cflow_packet(self.collector, templates[1], 10, expected=False) self.collector.get_capture(4) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") def test_0002(self): """ no timers, two CFLOW packets (mtu=256), 3 Flows in each""" self.logger.info("FFP_TEST_START_0002") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=0, mtu=256) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream(packets=6) capture = self.send_packets() # make sure the one packet we expect actually showed up cflows = [] cflows.append(self.wait_for_cflow_packet(self.collector, templates[1], 10)) cflows.append(self.wait_for_cflow_packet(self.collector, templates[1], 10)) self.verify_cflow_data_notimer(ipfix_decoder, capture, cflows) self.collector.get_capture(5) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0002") class TestFFP_DisableIPFIX(MethodHolder): """Disable IPFIX""" def test_0001(self): """ disable IPFIX after first packets""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=30) self.create_stream() self.send_packets() # make sure the one packet we expect actually showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) # disble IPFIX ipfix.disable_exporter() self.pg_enable_capture([self.collector]) self.send_packets() # make sure no one packet arrived in 1 minute self.wait_for_cflow_packet(self.collector, templates[1], 30, expected=False) self.collector.get_capture(0) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") class TestFFP_ReenableIPFIX(MethodHolder): """Re-enable IPFIX""" def test_0001(self): """ disable IPFIX after first packets and re-enable after few packets """ self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream() self.send_packets() # make sure the one packet we expect actually showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) # disble IPFIX ipfix.disable_exporter() self.pg_enable_capture([self.collector]) self.send_packets() # make sure no one packet arrived in active timer span self.wait_for_cflow_packet(self.collector, templates[1], 30, expected=False) self.collector.get_capture(0) # enable IPFIX ipfix.enable_exporter() self.vapi.cli("ipfix flush") templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.send_packets() # make sure the next packets (templates and data) we expect actually # showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") class TestFFP_DisableFFP(MethodHolder): """Disable Flowprobe feature""" def test_0001(self): """ disable flowprobe feature after first packets""" self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream() self.send_packets() # make sure the one packet we expect actually showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) # disble IPFIX ipfix.disable_flowprobe_feature() self.pg_enable_capture([self.collector]) self.send_packets() # make sure no one packet arrived in active timer span self.wait_for_cflow_packet(self.collector, templates[1], 30, expected=False) self.collector.get_capture(0) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") class TestFFP_ReenableFFP(MethodHolder): """Re-enable Flowprobe feature""" def test_0001(self): """ disable flowprobe feature after first packets and re-enable after few packets """ self.logger.info("FFP_TEST_START_0001") self.pg_enable_capture(self.pg_interfaces) self.pkts = [] ipfix = VppCFLOW(test=self, active=10) ipfix.add_vpp_config() ipfix_decoder = IPFIXDecoder() # template packet should arrive immediately templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.create_stream() self.send_packets() # make sure the one packet we expect actually showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) # disble FPP feature ipfix.disable_flowprobe_feature() self.pg_enable_capture([self.collector]) self.send_packets() # make sure no one packet arrived in active timer span self.wait_for_cflow_packet(self.collector, templates[1], 30, expected=False) self.collector.get_capture(0) # enable FPP feature ipfix.enable_flowprobe_feature() self.vapi.cli("ipfix flush") templates = ipfix.verify_templates(ipfix_decoder, timeout=3) self.send_packets() # make sure the next packets (templates and data) we expect actually # showed up self.wait_for_cflow_packet(self.collector, templates[1], 30) self.collector.get_capture(4) ipfix.remove_vpp_config() self.logger.info("FFP_TEST_FINISH_0001") if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)